101     "Issue a write delegation for read opens if possible");
1147 	 * and the delegation lists.  in nfsrv_dumpaclient()
1512  * Free a list of delegation state structures.
1528  * Free up a delegation.
1829 	int getlckret, delegation = 0, filestruct_locked, vnode_unlocked = 0;  in nfsrv_lockctrl()  local
2152 	     * - stateid for a delegation  in nfsrv_lockctrl()
2157 		    delegation = 1;  in nfsrv_lockctrl()
2198 	    if ((new_stp->ls_flags & NFSLCK_CHECK) && !delegation) {  in nfsrv_lockctrl()
2264 	 * Check for a conflicting delegation. If one is found, call  in nfsrv_lockctrl()
2267 	 * the delegation. Then, we try try again...  in nfsrv_lockctrl()
2270 	 * - there is a conflict iff a different client has a write delegation  in nfsrv_lockctrl()
2272 	 * - there is a conflict iff a different client has a write delegation  in nfsrv_lockctrl()
2275 	 * - there is a conflict if a different client has any delegation  in nfsrv_lockctrl()
2276 	 * - there is a conflict if the same client has a read delegation  in nfsrv_lockctrl()
2370 	if (!delegation) {  in nfsrv_lockctrl()
2667 	     * For Delegate_Cur, search for the matching Delegation,  in nfsrv_opencheck()
2669 	     * An old delegation should have been recovered by the  in nfsrv_opencheck()
2733 	 * Check for a conflicting delegation. If one is found, call  in nfsrv_opencheck()
2736 	 * the delegation. Then, we try try again...  in nfsrv_opencheck()
2737 	 * (If NFSLCK_DELEGCUR is set, it has a delegation, so there  in nfsrv_opencheck()
2741 	 * - there is a conflict iff a different client has a write delegation  in nfsrv_opencheck()
2743 	 * - there is a conflict if a different client has any delegation  in nfsrv_opencheck()
2744 	 * - there is a conflict if the same client has a read delegation  in nfsrv_opencheck()
2746 	 *    considered a conflict since the client with a read delegation  in nfsrv_opencheck()
2750 	 *    an atomic upgrade to a write delegation.  in nfsrv_opencheck()
2932 	     * For Delegate_Cur, search for the matching Delegation,  in nfsrv_openctrl()
2934 	     * An old delegation should have been recovered by the  in nfsrv_openctrl()
2965 	     * Don't issue a Delegation, since one already exists and  in nfsrv_openctrl()
2966 	     * delay delegation timeout, as required.  in nfsrv_openctrl()
2985 		     * delegation that can be issued is a Read delegation  in nfsrv_openctrl()
3032 	 * Check for a conflicting delegation. If one is found, call  in nfsrv_openctrl()
3035 	 * the delegation. Then, we try try again...  in nfsrv_openctrl()
3036 	 * (If NFSLCK_DELEGCUR is set, it has a delegation, so there  in nfsrv_openctrl()
3040 	 * - there is a conflict iff a different client has a write delegation  in nfsrv_openctrl()
3042 	 * - there is a conflict if a different client has any delegation  in nfsrv_openctrl()
3043 	 * - there is a conflict if the same client has a read delegation  in nfsrv_openctrl()
3045 	 *    considered a conflict since the client with a read delegation  in nfsrv_openctrl()
3049 	 *    an atomic upgrade to a write delegation.  in nfsrv_openctrl()
3101 	     * a match. If found, just move the old delegation to the current  in nfsrv_openctrl()
3102 	     * delegation list and issue open. If not found, return  in nfsrv_openctrl()
3181 	     * Scan to see that no delegation for this client and file  in nfsrv_openctrl()
3192 		 * This is the Claim_Previous case with a delegation  in nfsrv_openctrl()
3196 		 * First, add the delegation. (Although we must issue the  in nfsrv_openctrl()
3197 		 * delegation, we can also ask for an immediate return.)  in nfsrv_openctrl()
3311 		     * This is where we can choose to issue a delegation.  in nfsrv_openctrl()
3338 		     * This is where we can choose to issue a delegation.  in nfsrv_openctrl()
3366 		     * This is where we can choose to issue a delegation.  in nfsrv_openctrl()
3587  * Delegation update. Does the purge and return.
5242  * Resolve a delegation conflict.
5251  * for the delegation to be returned or expire (so that other nfsds can
5270 	 * If the conflict is with an old delegation...  in nfsrv_delegconflict()
5284 		 * During this delay, the old delegation could expire or it  in nfsrv_delegconflict()
5300 	 * It's a current delegation, so:  in nfsrv_delegconflict()
5301 	 * - check to see if the delegation has expired  in nfsrv_delegconflict()
5316 		 * the callback is done. (The delegation will now time  in nfsrv_delegconflict()
5318 		 * will be extended when ops are done on the delegation  in nfsrv_delegconflict()
5335 		 * the delegation in it when transitting the network.  in nfsrv_delegconflict()
5381 	 * this delegation.  in nfsrv_delegconflict()
5416 	 * Ok, we can delete the expired delegation.  in nfsrv_delegconflict()
5534  * Returns -1 to indicate it slept while recalling a delegation.
5568  * require that any NFSv4 delegation for the file be recalled.
5570  * VOP_RENAME() - When a delegation is being recalled for any reason,
5575  *	been removed on the server, if there is a delegation issued to
5582  *	returned with a Write delegation, but current practice is to ignore
5586  * VOP_ADVLOCK() - When a client holds a delegation, it can issue byte range
5661  *  allowed by the delegation. However, Setattr Ops that aren't changing
5662  *  the size get a stateid of all 0s, so you can't tell if it is a delegation
5666  * as Write backs, even if there is no delegation, so it really isn't any
5711  * Check for a write delegation and do a CBGETATTR if there is one, updating
5751 	 * Now, look for a write delegation.  in nfsrv_checkgetattr()
5763 	/* If the clientid is not confirmed, ignore the delegation. */  in nfsrv_checkgetattr()
5771 	 * If the Write delegation was issued as a part of this Compound RPC  in nfsrv_checkgetattr()
5773 	 * compound) and it is the client the delegation was issued to,  in nfsrv_checkgetattr()
5789 	 * We are now done with the delegation state structure,  in nfsrv_checkgetattr()
5915  * Delay the delegation timeout as far as ls_delegtimelimit, as required.
6627 		/* First, check for a delegation. */  in nfsrv_freestateid()
6639 	/* Not a delegation, try for a lock_owner. */  in nfsrv_freestateid()
8157  * - A Write Delegation
8215 	/* Now, look for a Write delegation for this clientid. */  in nfsrv_checkdsattr()
8227 	/* No Write delegation, so look for an Open with Write_access. */  in nfsrv_checkdsattr()
8924  * Issue a delegation and, optionally set rflagsp for why not.